#!/bin/bash

# Slackware build script for OpenJDK

# Copyright 2020 Strahil Yordanov, Sofia, Bulgaria
# All rights reserved.
#
# Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#
#  THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
#  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
#  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO
#  EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
#  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
#  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
#  OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
#  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
#  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
#  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

cd $(dirname $0) ; CWD=$(pwd)

PRGNAM=openjdk8
VERSION=${VERSION:-8u322}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}
PKGTYPE=${PKGTYPE:-tgz}

DVER=1.8.0_$(printf $VERSION | cut -du -f2)
ICEDTEA=icedtea-3.22.0

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i586 ;;
    arm*) ARCH=arm; echo "Unsupported arch $ARCH"; exit 1;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
  echo "$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"
  exit 0
fi

TMP=${TMP:-/tmp/SBo}
BUILD_DIR=$TMP/$PRGNAM
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

if [ "$ARCH" = "x86_64" ]; then
  LIB_ARCH=amd64
  LIBDIRSUFFIX="64"
else
  LIB_ARCH=i386
  LIBDIRSUFFIX=""
fi

BOOT_JAVA=/usr/lib${LIBDIRSUFFIX}/openjdk7
[ ! -d ${BOOT_JAVA} ] && BOOT_JAVA=${BOOT_JAVA%?}8
[ ! -d ${BOOT_JAVA} ] && { echo "Boot java not found"; exit 1; }

set -e

rm -rf $BUILD_DIR $PKG
mkdir -p $TMP $BUILD_DIR $PKG $OUTPUT
cd $BUILD_DIR

tar -xvf $CWD/${ICEDTEA}.tar.xz

mkdir icedtea-build
cd icedtea-build

# Set JAVA_HOME in order to avoid conflicts with other already installed JVMs.
JAVA_HOME=${BOOT_JAVA} PATH=${BOOT_JAVA}/bin:$PATH ../$ICEDTEA/configure \
   --disable-downloading \
   --disable-docs \
   --with-jdk-home=${BOOT_JAVA} \
   --disable-system-kerberos \
   --disable-system-pcsc \
   --disable-system-sctp \
   --enable-nss \
   --with-openjdk-src-zip="$CWD/openjdk-git.tar.xz"
JAVA_HOME=${BOOT_JAVA} PATH=${BOOT_JAVA}/bin:$PATH LOG=trace make

cd $PKG
mkdir -p usr/lib${LIBDIRSUFFIX}
cd usr/lib${LIBDIRSUFFIX}
cp -av $BUILD_DIR/icedtea-build/openjdk.build/images/j2sdk-image/ $PRGNAM

chown -R root.root $PKG
find -L . \
   \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
   -o -perm 511 \) -exec chmod 755 {} \; -o \
   \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
   -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;

mkdir -p $PKG/etc/profile.d
for file in $(ls "$CWD/profile.d/${PRGNAM}"*) ; do
  cat $file | sed -e "s#lib/openjdk#lib${LIBDIRSUFFIX}/openjdk#" \
    > $PKG/etc/profile.d/$(basename $file)
done
chmod 755 $PKG/etc/profile.d/*

( cd $PKG/usr/lib${LIBDIRSUFFIX}
  ln -sf $PRGNAM ${PRGNAM}${DVER}
)

cd $PKG/usr/lib${LIBDIRSUFFIX}
    ln -sf ./$PRGNAM/jre/lib/${LIB_ARCH}/server/libjvm.so .

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a $PKG/usr/lib${LIBDIRSUFFIX}/$PRGNAM/{THIRD_PARTY_README,LICENSE,ASSEMBLY_EXCEPTION} \
  $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE
